Electric Circuits Which of following materials has the least resistivity ? Copper. Zinc. Mercury. Lead. Copper. Zinc. Mercury. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A branch of a network is said to be passive when it contains battery. current source. voltage source. voltmeter. battery. current source. voltage source. voltmeter. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? P/3. 3P. P. √3P. P/3. 3P. P. √3P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as cosine of angle between voltage and current. ratio of resistance versus impedance. sine of voltage and current. both option B and C. cosine of angle between voltage and current. ratio of resistance versus impedance. sine of voltage and current. both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical resistance of human body is around 1000 ohms. 25 ohms. 250 ohms. 5 ohms. 1000 ohms. 25 ohms. 250 ohms. 5 ohms. ANSWER DOWNLOAD EXAMIANS APP